Fluorescent Calcite var. Manganoan cluster on Calcite matrix from Cavnic Mine, Maramureș County, Romania. A remarkable cluster of fluorescent Calcite var. Manganoan perched on a contrasting Calcite matrix from Romania. This piece displays delicate to vibrant pink hues, strong UV fluorescence, and well-formed crystal structure, all owing to its manganese enrichment. The matrix provides a beautiful backdrop that accentuates the vivid coloration and luminous glow under ultraviolet light. Specimens of Manganoan Calcite from Romanian localities are highly sought after by collectors for their purity, aesthetic brilliance, and exceptional response in fluorescent displays. This is an ideal addition for anyone seeking true mineral beauty with scientific interest. The Cavnic Mine is celebrated worldwide for producing collector-grade mineral clusters characterized by excellent crystallization and aesthetic associations. With the mine now closed, pieces like this embody the historical significance and mineralogical prestige of Maramureș County, making it a highly desirable addition for any discerning collector. The Cavnic Mine in Maramureș County, Romania has not been operating since 2008, when all mines in the area were closed, the adits were sealed, and external infrastructure was demolished or is in the process of demolition.